This inventor holds 2 USPTO granted patents. Top assignees: H.e.f., Centre National De La Recherche Scientifique, Ecole Central De Lyon. Active years: 2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 42 
1 out of 5,383 
1 out of 1 Years Active: 2014
Title: Innovations of Florent Ledrappier
Introduction
Florent Ledrappier is a notable inventor based in Saint-Etienne, France. He has made significant contributions to the field of tribology, particularly in the development of friction components in lubricated environments. With a total of two patents to his name, Ledrappier's work focuses on enhancing the performance and durability of sliding parts under high contact pressures.
Latest Patents
Ledrappier's latest patents include innovative designs aimed at improving tribological functions. One of his patents is titled "Friction piece in a lubricated medium, working at contact pressures higher than 200 MPa." This invention involves a friction part that features a textured contact surface, which undergoes a case hardening treatment. The surface is designed to create a periodic network of micrometric cavities, promoting an elastohydrodynamic lubrication regime. His second patent, "Sliding mating part in lubricated regime, coated by a thin film," describes a method of depositing a thin layer on a surface with a specific roughness profile. This design aims to enhance tribological performance by ensuring that the ratio between the mean period of the profile and the roughness profile meets certain standards.
Career Highlights
Throughout his career, Ledrappier has worked with various organizations, including H.E.F. and Université Jean Monnet. His experience in these institutions has allowed him to refine his expertise in tribology and contribute to advancements in the field.
Collaborations
Ledrappier has collaborated with notable colleagues such as Philippe Maurin-Perrier and Louis Mourier. These partnerships have facilitated the exchange of ideas and fostered innovation in their respective projects.
Conclusion
Florent Ledrappier's contributions to tribology through his patents and collaborations highlight his commitment to advancing technology in lubricated systems. His work continues to influence the field and improve the performance of mechanical components.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile